LEGRAND 430 521 Manual De Usuario página 29

• Alarm Input
• Before connecting sensors, check driving voltages and output signal types of the sensors. Since output signal
types of the sensors are divided into Open Collector type and Voltage Output type in general, the wiring must be
done properly after considering those types.
Signal
IN COM+
IN1 -, IN2 -,
IN3 -
• If you want to use Alarm Input, the types of sensors must be selected in OSD menu. The sensor types are
divided into Normal Open and Normal Close. If wrong sensor types are selected, alarms should be activated
reversely to sensor inputs.
Normal Open
Normal Close
• Relay Output
• The maximum loads are as follows.
The electric power source to drive input circuit. Connect the (+) wire of electric power
source to drive the Sensors to this port as shown in the above circuit.
Connect the outputs of sensors to each port as shown in the above circuit.
Output Voltage is high state when sensor is activated
Output Voltage is high state when sensor is not activated
Power Type
Maximum Load
Description
DC Power
MAX. DC 24V, 1A
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